2024 ICD-10-CM Diagnosis Code T57.8X4A

Toxic effect of other specified inorganic substances, undetermined, initial encounter

ICD-10-CM Code:
T57.8X4A
ICD-10 Code for:
Toxic effect of oth inorganic substances, undetermined, init
Is Billable?
Yes - Valid for Submission
Chronic Condition Indicator: [1]
Not chronic
Code Navigator:

Code Classification

  • Injury, poisoning and certain other consequences of external causes
    (S00–T88)
    • Toxic effects of substances chiefly nonmedicinal as to source
      (T51-T65)
      • Toxic effect of other inorganic substances
        (T57)

T57.8X4A is a billable diagnosis code used to specify a medical diagnosis of toxic effect of other specified inorganic substances, undetermined, initial encounter. The code is valid during the current fiscal year for the submission of HIPAA-covered transactions from October 01, 2023 through September 30, 2024.

T57.8X4A is an initial encounter code, includes a 7th character and should be used while the patient is receiving active treatment for a condition like toxic effect of other specified inorganic substances undetermined. According to ICD-10-CM Guidelines an "initial encounter" doesn't necessarily means "initial visit". The 7th character should be used when the patient is undergoing active treatment regardless if new or different providers saw the patient over the course of a treatment. The appropriate 7th character codes should also be used even if the patient delayed seeking treatment for a condition.

Clinical Classification

Clinical CategoryCCSR Category CodeInpatient Default CCSROutpatient Default CCSR
External cause codes: intent of injury, undeterminedEXT023N - Not default inpatient assignment for principal diagnosis or first-listed diagnosis.N - Not default outpatient assignment for principal diagnosis or first-listed diagnosis.
External cause codes: poisoning by non-drugEXT015N - Not default inpatient assignment for principal diagnosis or first-listed diagnosis.N - Not default outpatient assignment for principal diagnosis or first-listed diagnosis.
Toxic effects, initial encounterINJ023Y - Yes, default inpatient assignment for principal diagnosis or first-listed diagnosis.Y - Yes, default outpatient assignment for principal diagnosis or first-listed diagnosis.

Clinical Information

  • Asbestos

    asbestos. fibrous incombustible mineral composed of magnesium and calcium silicates with or without other elements. it is relatively inert chemically and used in thermal insulation and fireproofing. inhalation of dust causes asbestosis and later lung and gastrointestinal neoplasms.
  • Asbestos, Amosite

    asbestos, grunerite. a monoclinic amphibole form of asbestos having long fibers and a high iron content. it is used in insulation. (mcgraw-hill dictionary of scientific and technical terms, 4th ed)
  • Asbestos, Amphibole

    a class of asbestos that includes silicates of magnesium, iron, calcium, and sodium. the fibers are generally brittle and cannot be spun, but are more resistant to chemicals and heat than asbestos, serpentine. (from hawley's condensed chemical dictionary, 11th ed)
  • Asbestos, Crocidolite

    a lavender, acid-resistant asbestos.
  • Asbestos, Serpentine

    a type of asbestos that occurs in nature as the dihydrate of magnesium silicate. it exists in two forms: antigorite, a plated variety, and chrysotile, a fibrous variety. the latter makes up 95% of all asbestos products. (from merck index, 11th ed, p.893)
  • Asbestosis

    a form of pneumoconiosis caused by inhalation of asbestos fibers which elicit potent inflammatory responses in the parenchyma of the lung. the disease is characterized by interstitial fibrosis of the lung, varying from scattered sites to extensive scarring of the alveolar interstitium.

Coding Guidelines

The appropriate 7th character is to be added to each code from block Toxic effect of other inorganic substances (T57). Use the following options for the aplicable episode of care:

  • A - initial encounter
  • D - subsequent encounter
  • S - sequela

Convert T57.8X4A to ICD-9-CM

  • ICD-9-CM Code: 989.89 - Tox eff nonmed subst NEC
    Approximate Flag - The approximate mapping means there is not an exact match between the ICD-10 and ICD-9 codes and the mapped code is not a precise representation of the original code.
  • ICD-9-CM Code: 989.89 - Tox eff nonmed subst NEC
    Combination Flag - Multiple codes are needed to describe the source diagnosis code. Correct coding should be done based on contextual judgment.
  • ICD-9-CM Code: E980.9 - Undeter pois-sol/liq NEC
    Combination Flag - Multiple codes are needed to describe the source diagnosis code. Correct coding should be done based on contextual judgment.

Table of Drugs and Chemicals

The parent code T57.8X4 of the current diagnosis code is referenced in the Table of Drugs and Chemicals, this table contains a classification of drugs, industrial solvents, corrosive gases, noxious plants, pesticides, and other toxic agents.

According to ICD-10-CM coding guidelines it is advised to do not code directly from the Table of Drugs and Chemicals, instead always refer back to the Tabular List when doing the initial coding. Each substance in the table is assigned a code according to the poisoning classification and external causes of adverse effects. It is important to use as many codes as necessary to specify all reported drugs, medicinal or chemical substances. If the same diagnosis code describes the causative agent for more than one adverse reaction, poisoning, toxic effect or underdosing, utilize the code only once.

Substance Poisoning
Accidental
(unintentional)
Poisoning
Accidental
(self-harm)
Poisoning
Assault
Poisoning
Undetermined
Adverse
effect
Underdosing
AsbestosT57.8X1T57.8X2T57.8X3T57.8X4  
Barium (carbonate) (chloride) (sulfite)T57.8X1T57.8X2T57.8X3T57.8X4  
Barium (carbonate) (chloride) (sulfite)
  »diagnostic agent
T57.8X1T57.8X2T57.8X3T57.8X4  
Barium (carbonate) (chloride) (sulfite)
  »pesticide
T57.8X1T57.8X2T57.8X3T57.8X4  
Barium (carbonate) (chloride) (sulfite)
  »rodenticide
T57.8X1T57.8X2T57.8X3T57.8X4  
Barium (carbonate) (chloride) (sulfite)
  »sulfate (medicinal)
T57.8X1T57.8X2T57.8X3T57.8X4  
Bichromates (calcium) (potassium) (sodium) (crystals)T57.8X1T57.8X2T57.8X3T57.8X4  
Bichromates (calcium) (potassium) (sodium) (crystals)
  »fumes
T57.8X1T57.8X2T57.8X3T57.8X4  
Borane complexT57.8X1T57.8X2T57.8X3T57.8X4  
Borate (s)T57.8X1T57.8X2T57.8X3T57.8X4  
Borate (s)
  »buffer
T57.8X1T57.8X2T57.8X3T57.8X4  
Borate (s)
  »cleanser
T57.8X1T57.8X2T57.8X3T57.8X4  
Borate (s)
  »sodium
T57.8X1T57.8X2T57.8X3T57.8X4  
BoronT57.8X1T57.8X2T57.8X3T57.8X4  
Boron
  »hydride NEC
T57.8X1T57.8X2T57.8X3T57.8X4  
Boron
  »hydride NEC
    »fumes or gas
T57.8X1T57.8X2T57.8X3T57.8X4  
Boron
  »trifluoride
T57.8X1T57.8X2T57.8X3T57.8X4  
ChloramineT57.8X1T57.8X2T57.8X3T57.8X4  
Chloramine
  »T
T57.8X1T57.8X2T57.8X3T57.8X4  
Chloramine
  »topical
T57.8X1T57.8X2T57.8X3T57.8X4  
DecaboraneT57.8X1T57.8X2T57.8X3T57.8X4  
Decaborane
  »fumes
T57.8X1T57.8X2T57.8X3T57.8X4  

Code History

  • FY 2024 - No Change, effective from 10/1/2023 through 9/30/2024
  • FY 2023 - No Change, effective from 10/1/2022 through 9/30/2023
  • FY 2022 - No Change, effective from 10/1/2021 through 9/30/2022
  • FY 2021 - No Change, effective from 10/1/2020 through 9/30/2021
  • FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020
  • FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
  • FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
  • FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
  • FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016. This was the first year ICD-10-CM was implemented into the HIPAA code set.

Footnotes

[1] Not chronic - A diagnosis code that does not fit the criteria for chronic condition (duration, ongoing medical treatment, and limitations) is considered not chronic. Some codes designated as not chronic are acute conditions. Other diagnosis codes that indicate a possible chronic condition, but for which the duration of the illness is not specified in the code description (i.e., we do not know the condition has lasted 12 months or longer) also are considered not chronic.